重写rust核心库，构建中断处理框架 #6
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@ -77,11 +77,13 @@ typedef void (*interrupt_request)(u64 rip, u64 rsp, u64 errcode);
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#define DE
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#define NMI
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#define BP
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#define OF
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interrupt_entry_gen(UNSUPPORTED);
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interrupt_entry_gen(DE);
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interrupt_entry_gen(NMI);
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interrupt_entry_gen(BP);
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interrupt_entry_gen(DE); // irq0
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interrupt_entry_gen(NMI); // irq2
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interrupt_entry_gen(BP); // irq3
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interrupt_entry_gen(OF); // ira4
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#endif
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@ -13,8 +13,7 @@ ifdef release
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CCFLAGS := ${CCFLAGS} -O2
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endif
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C_SRCS = main.c tty.c font.c memm.c memm_${ARCH}.c raw.c time.c syscall_${ARCH}.c interrupt_${ARCH}.c \
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interrupt_procs.c
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C_SRCS = main.c tty.c font.c memm.c memm_${ARCH}.c raw.c time.c syscall_${ARCH}.c interrupt_${ARCH}.c
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C_OBJS = ${C_SRCS:.c=.c.o}
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################################
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@ -0,0 +1,2 @@
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#[cfg(target_arch = "x86_64")]
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pub mod x86_64;
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@ -11,7 +11,8 @@ init64:
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mov rsp, rax
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mov rdi, rbx
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lidt [0x104010]
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; 加载idt
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lidt [0x104010] ; idt_ptr
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; 加载系统调用相关寄存器
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; IA32_STAR = 0x0018_0008_0000_0000
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@ -21,17 +21,18 @@ init32:
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mov dword [edi], 0
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; 设置PD0中的PDE
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mov ecx, 64
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; 以2MB页映射前64MB
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mov ecx, 32
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mov eax, 0
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mov edi, 0x103000 ; PD0
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init32_loop0:
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mov edx, eax
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add edx, 0x183
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mov dword [edi], edx
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add eax, 0x200000 ; 2MB
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add edi, 4
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mov dword [edi], 0
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add edi, 4
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add eax, 0x200000 ; 2MB
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loop init32_loop0
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; 加载GDTR、段寄存器和TR寄存器
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@ -0,0 +1,49 @@
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use crate::{kernel::tty::tty::Tty, libk::alloc::string::ToString, message, message_raw};
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extern "C" {
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pub fn interrupt_open();
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pub fn interrupt_close();
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// 以下两个函数签名的返回值用于使编译器保留rax寄存器
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pub fn interrupt_rust_enter() -> usize;
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pub fn interrupt_rust_leave() -> usize;
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}
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#[no_mangle]
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unsafe extern "C" fn interrupt_req_UNSUPPORTED(rip: u64, rsp: u64, errcode: u64) -> ! {
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interrupt_rust_enter();
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let tty = Tty::from_id(0).unwrap();
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tty.enable();
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let msg = message_raw!(
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Msg("Panic:"),
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FgColor::<u8>(Color::RED),
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Msg(" Kernel hit an unsupported interrupt\n\twith %rip=0x"),
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Msg(rip.to_hex_string()),
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Msg(" and %rsp=0x"),
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Msg(rsp.to_hex_string())
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);
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tty.print(msg);
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loop {}
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}
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#[no_mangle]
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unsafe extern "C" fn interrupt_req_DE(rip: u64, rsp: u64, errcode: u64) {
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interrupt_rust_enter();
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let tty = Tty::from_id(0).unwrap();
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tty.enable();
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tty.print(message!(
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"{Panic}: divided by zero. rip=0x{}.\n",
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FmtMeta::Color(Color::RED),
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FmtMeta::Pointer(rip as usize)
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));
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loop {}
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interrupt_rust_leave();
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}
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#[no_mangle]
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unsafe extern "C" fn interrupt_req_NMI(rip: u64, rsp: u64, errcode: u64) {}
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#[no_mangle]
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unsafe extern "C" fn interrupt_req_BP(rip: u64, rsp: u64, errcode: u64) {}
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#[no_mangle]
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unsafe extern "C" fn interrupt_req_OF(rip: u64, rsp: u64, errcode: u64) {}
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@ -1,190 +0,0 @@
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#include <kernel/arch/x86_64/interrupt_procs.h>
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#include <kernel/arch/x86_64/memm.h>
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#include <kernel/arch/x86_64/proc.h>
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#include <kernel/kernel.h>
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#include <kernel/tty.h>
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#include <libk/string.h>
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interrupt_req_gen(UNSUPPORTED)
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{
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tty **tty0_option = tty_get(0);
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if (tty0_option == nullptr)
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{
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KERNEL_TODO();
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}
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tty *tty0 = *tty0_option;
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tty_text_print(tty0, "Panic: Unsupported interrupt.", RED, BLACK);
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KERNEL_TODO();
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}
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static void rip_not_cannonical(u64 rip, tty *tty0)
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{
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char num[17];
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memset(num, 0, sizeof(num));
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pointer_to_string(rip, num);
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tty_text_print(tty0, "Panic", RED, BLACK);
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tty_text_print(tty0, ": Unexpected non-cannonical %rip value ", WHITE, BLACK);
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tty_text_print(tty0, num, ORANGE, BLACK);
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tty_text_print(tty0, ".\n", WHITE, BLACK);
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KERNEL_TODO();
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}
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interrupt_req_gen(DE)
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{
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tty **tty0_option = tty_get(0);
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if (tty0_option == nullptr)
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{
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KERNEL_TODO();
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}
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tty *tty0 = *tty0_option;
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if (!is_cannonical(rip))
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{
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rip_not_cannonical(rip, tty0);
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}
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if (!is_user_address(rip))
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{
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char nums[34];
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memset(nums, 0, sizeof(nums));
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pointer_to_string(rip, nums);
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pointer_to_string(rsp, nums + 17);
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tty_text_print(tty0, "Panic", RED, BLACK);
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tty_text_print(tty0, ": Divided by zero occurs in kernel,\n\t", WHITE, BLACK);
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tty_text_print(tty0, "with %rip=", WHITE, BLACK);
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tty_text_print(tty0, "0x", ORANGE, BLACK);
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tty_text_print(tty0, nums, ORANGE, BLACK);
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tty_text_print(tty0, ", %rsp=", WHITE, BLACK);
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tty_text_print(tty0, "0x", ORANGE, BLACK);
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tty_text_print(tty0, nums + 17, ORANGE, BLACK);
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tty_text_print(tty0, ".\n", WHITE, BLACK);
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KERNEL_TODO();
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}
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else
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{ // TODO 转储并结束进程
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KERNEL_TODO();
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}
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}
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interrupt_req_gen(BP)
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{
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tty **tty0_option = tty_get(0);
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if (tty0_option == nullptr)
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{
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KERNEL_TODO();
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}
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tty *tty0 = *tty0_option;
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if (!is_cannonical(rip))
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{
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rip_not_cannonical(rip, tty0);
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}
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proc_texture_registers_t *texture = (void *)errcode;
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if (!is_user_address(rip))
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{
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char nums[34];
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memset(nums, 0, sizeof(nums));
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pointer_to_string(rip, nums);
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pointer_to_string(rsp, nums + 17);
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tty_text_print(tty0, "Debug", PURPLE, BLACK);
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tty_text_print(tty0, ": Kernel hit a breakpoint,\n\t", WHITE, BLACK);
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tty_text_print(tty0, "with %rip=", WHITE, BLACK);
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tty_text_print(tty0, "0x", ORANGE, BLACK);
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tty_text_print(tty0, nums, ORANGE, BLACK);
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tty_text_print(tty0, ", %rsp=", WHITE, BLACK);
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tty_text_print(tty0, "0x", ORANGE, BLACK);
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tty_text_print(tty0, nums + 17, ORANGE, BLACK);
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tty_text_print(tty0, ",\n\t", WHITE, BLACK);
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tty_text_print(tty0, "on texture: \n", WHITE, BLACK);
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pointer_to_string(texture->rax, nums);
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tty_text_print(tty0, "rax\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->rcx, nums);
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tty_text_print(tty0, "rcx\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->rbx, nums);
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tty_text_print(tty0, "rbx\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->rdx, nums);
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tty_text_print(tty0, "rdx\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->rsi, nums);
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tty_text_print(tty0, "rsi\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->rdi, nums);
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tty_text_print(tty0, "rdi\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->rbp, nums);
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tty_text_print(tty0, "rbp\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->rsp, nums);
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tty_text_print(tty0, "rsp\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->rip, nums);
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tty_text_print(tty0, "rip\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->rflags, nums);
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tty_text_print(tty0, "rflags\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->r8, nums);
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tty_text_print(tty0, "r8\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->r9, nums);
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tty_text_print(tty0, "r9\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->r10, nums);
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tty_text_print(tty0, "r10\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->r11, nums);
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tty_text_print(tty0, "r11\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->r12, nums);
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tty_text_print(tty0, "r12\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->r13, nums);
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tty_text_print(tty0, "r13\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->r14, nums);
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tty_text_print(tty0, "r14\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->r15, nums);
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tty_text_print(tty0, "r15\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->cs, nums);
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tty_text_print(tty0, "cs\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->ss, nums);
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tty_text_print(tty0, "ss\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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pointer_to_string(texture->ds, nums);
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tty_text_print(tty0, "ds\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\t", WHITE, BLACK);
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pointer_to_string(texture->es, nums);
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tty_text_print(tty0, "es\t", WHITE, BLACK);
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tty_text_print(tty0, nums, BLUE, BLACK);
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tty_text_print(tty0, "\n", WHITE, BLACK);
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KERNEL_TODO();
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}
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else
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{ // TODO 将当前进程的状态设置为暂停并通知当前进程的调试程序
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KERNEL_TODO();
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}
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}
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@ -77,7 +77,7 @@ interrupt_entry_DE:
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interrupt_entry_leave
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iret
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global interrupt_entry_DE
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global interrupt_entry_NMI
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interrupt_entry_NMI:
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; TODO 暂时不需要为这个中断实现任何功能
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iret
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@ -95,3 +95,15 @@ interrupt_entry_BP:
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interrupt_entry_leave
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iret
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global interrupt_entry_OF
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extern interrupt_req_OF
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interrupt_entry_OF:
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interrupt_entry_enter
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mov rdi, [rsp + 128]
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mov rsi, [rsp + 152]
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call interrupt_req_OF
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interrupt_entry_leave
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iret
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|
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@ -20,6 +20,8 @@ void interrupt_init()
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interrupt_register_gate(gate, 2);
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trap_gate_generate(gate, interrupt_entry_sym(BP));
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interrupt_register_gate(gate, 3);
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trap_gate_generate(gate, interrupt_entry_sym(OF));
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interrupt_register_gate(gate, 4);
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interrupt_open();
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}
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|
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|
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@ -0,0 +1,2 @@
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pub mod interrupt;
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pub mod proc;
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@ -0,0 +1,32 @@
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#[repr(C)]
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#[derive(Debug)]
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pub struct RegisterTexture {
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es: u16,
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ds: u16,
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reserved: u32,
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r15: u64,
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r14: u64,
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r13: u64,
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r12: u64,
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r11: u64,
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r10: u64,
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r9: u64,
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r8: u64,
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rdi: u64,
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rsi: u64,
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rdx: u64,
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rbx: u64,
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rcx: u64,
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rax: u64,
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rbp: u64,
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rip: u64,
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cs: u64,
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rflags: u64,
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rsp: u64,
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ss: u64,
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||||
}
|
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|
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#[derive(Debug)]
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pub struct ProcessTexture {
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register: RegisterTexture,
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}
|
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|
|
@ -48,6 +48,8 @@ void kmain(void *mb2_bootinfo)
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|||
// 初始化中断管理
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interrupt_init();
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||||
|
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int i = 1 / 0;
|
||||
|
||||
// 初始化系统调用
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syscall_init();
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|
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|
|
|
|||
|
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@ -3,4 +3,4 @@ pub mod klog;
|
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pub mod main;
|
||||
pub mod memm;
|
||||
pub mod tty;
|
||||
pub mod sync;
|
||||
pub mod arch;
|
||||
|
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|
|||
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